ADVANCED REGULATING PULSE WIDTH MODULATOR - Seme LAB
Description
LAB
TOP VIEW
+ERROR 1 –ERROR 2 COMPENSATION 3 CSOFTSTART 4 RESET 5 –CURRENT SENSE 6 +CURRENT SENSE 7 SHUTDOWN 8 R TIMING 9
18 17 16 15 14 13 12 11 10
SEME
IP1526A SERIES
VREF
+VIN OUTPUT B GROUND +VCOLLECTOR OUTPUT A SYNC R DEADTIME C TIMING
ADVANCED REGULATING PULSE WIDTH MODULATOR
FEATURES
• • • • • • • • • • • • • • • • Low drain current 8 to 35V operation High performance 5V ±1% reference Low t.
c.
1Hz to 400kHz oscillator range Dual 100mA source/sink outputs Digital current limiting Double pulse suppression Programmable deadtime Accurate current limit sense voltage Undervoltage lockout Single Pulse metering Programmable soft start Wide current limit common mode range TTL/CMOS compatible logic ports Symmetry correction capability Guaranteed 6 unit synchronisation
J Package – 18 Pin Ceramic DIP N Package – 18 Pin Plastic DIP D Package – 18 Pin Plastic (300) SOIC
Order Information
Part J–Pack N–Pack D–18 Temp.
Number 18 Pin 18 Pin 18 Pin Range IP1526A -55 to +125°C IP3526A 0 to +70°C Note: To order, add the package identifier to the part number.
eg.
IP1526AJ IP3526AD–18
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
+VIN Input Voltage Collector Supply Voltage Logic Inputs Analogue Inputs Source / Sink Load Current Reference Load Current Logic Sink Current PD PD TJ TSTG TL Power Dissipation Power Dissipation TA = 25°C Derate @ TA > 50°C TC = 25°C Derate @ TC > 25°C (Each output, continuous) +40V +40V –0.
3 to +5.
5V –0.
3 to +VIN 200mA Internally Limited 15mA 1W 10mW/°C 3W 24mW/°C See Ordering Information –65 to +150°C (soldering, 10 seconds) +300°C
Prelim.
6/95
Operating Junction Temperature Storage Temperature Range Lead Temperature
Semelab plc.
Telephone (01455) 556565.
Telex: 341927.
Fax (01455) 552612.
LAB
DESCRIPTION
The IP1526A series of high performance pulse width modulator circuits is a direct replacement for the IP1526 series in all applications and features improved performance in several key areas.
Functions included are a tempe...
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